Examlex
Define the multiple nuclei model and sector model of urban growth, both of which originate within the functionalist perspective.
Air-breathing Animals
Organisms that intake oxygen from the air to the lungs or other special respiratory organs to sustain life.
First Land Animals
Early terrestrial organisms, primarily arthropods and amphibians, that colonized land during the Paleozoic era.
Arthropods
Invertebrate animals with exoskeletons, segmented bodies, and jointed limbs, including insects, arachnids, and crustaceans.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in growth, development, functioning, and reproduction of all known living organisms.
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